Taco sauce (5)
I believe the answer is:
salsa
'taco sauce' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for salsa that I've seen before include "This could be hot" , "Latin American dance - spicy Mexican sauce" , "The Latin-American sound" , "Saucy dance" , "Latin-American dance" .)